Valhalla EG 20190828

[David Simms]

Attendees: DanH, Frederic, Remi, Simms, Tobi

**Point of order:** "The event formerly known as JavaOne" is 16-19th 
September. So cancelling next EG meeting on the 11th, reconvening 25th 
September.

  - Remi: question to DanH regarding the difference between 
`invokevirtual` and `invokeinterface`
      - DanH: Could be annoying to blur these two
      - Remi: interested in `invokevirtual` working with 
interfaces...works with existing code...even if you change to an 
interface in the future.
      - Remi: interested in pattern matching use-case (and Valhalla)
          - Retro-fitting classes to interfaces
      - Simms: Could be a tool or a distraction (for the Valhalla project) ?
      - Fred: there are a number of VM breakages, alot of spec impact
      - DanH: since 8 verification allows for private methods
          - ...but verifier might not know...checks delayed until runtime